Proprietà:Invented by

Inventore o inventori che hanno presentato un brevetto, da indicare con nome e cognome, separato da virgole se sono più di uno. Usare il campo Inventor riportato dall'EPO o dall'ufficio americano dei brevetti.

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Patent-GB-190400459.pdf +

John Everard Langill +, John Toker Langill +

Patent-GB-190407468.pdf +

Frank M. Kegrize +

Patent-GB-190428533.pdf +

Benjamin William Warwick +

Patent-GB-190502671.pdf +

Evelyn De La Rue +

Patent-GB-190507113.pdf +

Cecil Bristow +